Revert "reduce explicit db commits"

This reverts commit d7aea928d1.

user.py

@@ -158,6 +158,7 @@ schlitz
     def toot_witness(self, toot_uri):
         db.execute("INSERT INTO seen_toots (toot_uri, user_id) VALUES (?,?);",
                    (toot_uri, self.uid))
+        db.commit()
 
     def get_seen_tg(self):
         db.execute("SELECT tg_id FROM seen_telegrams WHERE user_id = ?;",
@@ -167,6 +168,7 @@ schlitz
     def save_seen_tg(self, tg_id):
         db.execute("UPDATE seen_telegrams SET tg_id = ? WHERE user_id = ?;",
                    (tg_id, self.uid))
+        db.commit()
 
     def get_mailinglist(self):
         db.execute("SELECT email FROM mailinglist WHERE user_id = ?;", (self.uid, ))
@@ -179,6 +181,7 @@ schlitz
     def save_seen_mail(self, mail_date):
         db.execute("UPDATE seen_mail SET mail_date = ? WHERE user_id = ?;",
                    (mail_date, self.uid))
+        db.commit()
 
     def set_trigger_words(self, patterns):
         db.execute("UPDATE triggerpatterns SET patterns = ? WHERE user_id = ?;",